./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-tiling/pnr2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d41917e0-349a-4355-a59c-6972f9d338e2/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d41917e0-349a-4355-a59c-6972f9d338e2/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d41917e0-349a-4355-a59c-6972f9d338e2/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d41917e0-349a-4355-a59c-6972f9d338e2/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/pnr2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d41917e0-349a-4355-a59c-6972f9d338e2/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d41917e0-349a-4355-a59c-6972f9d338e2/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 67f3347d26557d25fb6343192d3c90918276f96e14a8e5c63bb68c9eaee65f5f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 01:03:31,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:03:31,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:03:31,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:03:31,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:03:31,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:03:31,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:03:31,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:03:31,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:03:31,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:03:31,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:03:31,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:03:31,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:03:31,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:03:31,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:03:31,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:03:31,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:03:31,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:03:31,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:03:31,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:03:31,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:03:31,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:03:31,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:03:31,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:03:31,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:03:31,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:03:31,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:03:31,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:03:31,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:03:31,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:03:31,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:03:31,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:03:31,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:03:31,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:03:31,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:03:31,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:03:31,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:03:31,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:03:31,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:03:31,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:03:31,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:03:31,579 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d41917e0-349a-4355-a59c-6972f9d338e2/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 01:03:31,593 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:03:31,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:03:31,594 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:03:31,594 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:03:31,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:03:31,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:03:31,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:03:31,595 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:03:31,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:03:31,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:03:31,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:03:31,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:03:31,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:03:31,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:03:31,596 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:03:31,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:03:31,597 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:03:31,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:03:31,597 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:03:31,597 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:03:31,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:03:31,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:03:31,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:03:31,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:03:31,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:03:31,598 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:03:31,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:03:31,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:03:31,599 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d41917e0-349a-4355-a59c-6972f9d338e2/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d41917e0-349a-4355-a59c-6972f9d338e2/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67f3347d26557d25fb6343192d3c90918276f96e14a8e5c63bb68c9eaee65f5f [2022-12-15 01:03:31,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:03:31,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:03:31,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:03:31,780 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:03:31,781 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:03:31,782 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d41917e0-349a-4355-a59c-6972f9d338e2/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/array-tiling/pnr2.c [2022-12-15 01:03:34,413 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:03:34,559 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:03:34,559 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d41917e0-349a-4355-a59c-6972f9d338e2/sv-benchmarks/c/array-tiling/pnr2.c [2022-12-15 01:03:34,565 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d41917e0-349a-4355-a59c-6972f9d338e2/bin/ukojak-rkRKPMF4O4/data/08b205c86/f1d89e318a7e4461870da1c1d9335dce/FLAGfc100adb5 [2022-12-15 01:03:34,579 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d41917e0-349a-4355-a59c-6972f9d338e2/bin/ukojak-rkRKPMF4O4/data/08b205c86/f1d89e318a7e4461870da1c1d9335dce [2022-12-15 01:03:34,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:03:34,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:03:34,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:03:34,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:03:34,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:03:34,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:03:34" (1/1) ... [2022-12-15 01:03:34,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53f5a761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:34, skipping insertion in model container [2022-12-15 01:03:34,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:03:34" (1/1) ... [2022-12-15 01:03:34,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:03:34,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:03:34,728 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d41917e0-349a-4355-a59c-6972f9d338e2/sv-benchmarks/c/array-tiling/pnr2.c[395,408] [2022-12-15 01:03:34,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:03:34,750 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:03:34,759 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d41917e0-349a-4355-a59c-6972f9d338e2/sv-benchmarks/c/array-tiling/pnr2.c[395,408] [2022-12-15 01:03:34,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:03:34,774 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:03:34,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:34 WrapperNode [2022-12-15 01:03:34,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:03:34,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:03:34,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:03:34,776 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:03:34,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:34" (1/1) ... [2022-12-15 01:03:34,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:34" (1/1) ... [2022-12-15 01:03:34,803 INFO L138 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 77 [2022-12-15 01:03:34,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:03:34,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:03:34,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:03:34,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:03:34,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:34" (1/1) ... [2022-12-15 01:03:34,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:34" (1/1) ... [2022-12-15 01:03:34,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:34" (1/1) ... [2022-12-15 01:03:34,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:34" (1/1) ... [2022-12-15 01:03:34,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:34" (1/1) ... [2022-12-15 01:03:34,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:34" (1/1) ... [2022-12-15 01:03:34,819 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:34" (1/1) ... [2022-12-15 01:03:34,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:34" (1/1) ... [2022-12-15 01:03:34,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:03:34,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:03:34,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:03:34,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:03:34,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:34" (1/1) ... [2022-12-15 01:03:34,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:03:34,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d41917e0-349a-4355-a59c-6972f9d338e2/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:03:34,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d41917e0-349a-4355-a59c-6972f9d338e2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:03:34,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d41917e0-349a-4355-a59c-6972f9d338e2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:03:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:03:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:03:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 01:03:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-15 01:03:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure ReadFromPort [2022-12-15 01:03:34,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadFromPort [2022-12-15 01:03:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:03:34,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:03:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 01:03:34,946 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:03:34,948 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:03:35,079 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:03:35,119 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:03:35,120 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 01:03:35,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:03:35 BoogieIcfgContainer [2022-12-15 01:03:35,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:03:35,122 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:03:35,122 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:03:35,130 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:03:35,130 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:03:35" (1/1) ... [2022-12-15 01:03:35,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:03:35,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:03:35,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2022-12-15 01:03:35,190 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2022-12-15 01:03:35,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:03:35,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:03:35,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:03:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:03:35,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:03:35,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:03:35,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2022-12-15 01:03:35,576 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2022-12-15 01:03:35,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 01:03:35,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:03:35,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:03:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:03:36,113 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:03:36,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:03:36,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2022-12-15 01:03:36,569 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2022-12-15 01:03:36,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 01:03:36,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:03:36,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:03:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:03:36,918 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:03:37,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:03:37,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 34 states and 58 transitions. [2022-12-15 01:03:37,692 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 58 transitions. [2022-12-15 01:03:37,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 01:03:37,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:03:37,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:03:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:03:38,029 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:03:39,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:03:39,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 46 states and 84 transitions. [2022-12-15 01:03:39,982 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 84 transitions. [2022-12-15 01:03:39,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 01:03:39,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:03:39,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:03:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:03:40,650 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 01:03:41,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:03:41,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 51 states and 95 transitions. [2022-12-15 01:03:41,236 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 95 transitions. [2022-12-15 01:03:41,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 01:03:41,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:03:41,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:03:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:03:41,475 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:03:41,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:03:41,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 52 states and 97 transitions. [2022-12-15 01:03:41,751 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2022-12-15 01:03:41,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 01:03:41,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:03:41,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:03:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:03:42,126 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 01:03:42,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:03:42,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 58 states and 107 transitions. [2022-12-15 01:03:42,624 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 107 transitions. [2022-12-15 01:03:42,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 01:03:42,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:03:42,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:03:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:03:43,388 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 01:03:46,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:03:46,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 71 states and 138 transitions. [2022-12-15 01:03:46,960 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 138 transitions. [2022-12-15 01:03:46,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 01:03:46,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:03:46,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:03:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:04:39,188 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-15 01:04:39,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:39,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 72 states and 140 transitions. [2022-12-15 01:04:39,660 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 140 transitions. [2022-12-15 01:04:39,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 01:04:39,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:04:39,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:04:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:04:40,321 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 01:04:43,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:43,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 81 states and 162 transitions. [2022-12-15 01:04:43,887 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 162 transitions. [2022-12-15 01:04:43,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 01:04:43,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:04:43,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:04:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:04:44,079 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 01:04:44,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:44,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 82 states and 164 transitions. [2022-12-15 01:04:44,498 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 164 transitions. [2022-12-15 01:04:44,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 01:04:44,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:04:44,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:04:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:04:45,015 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 01:04:49,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:49,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 96 states and 187 transitions. [2022-12-15 01:04:49,731 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 187 transitions. [2022-12-15 01:04:49,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 01:04:49,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:04:49,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:04:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:04:49,869 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 01:04:50,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:50,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 97 states and 187 transitions. [2022-12-15 01:04:50,336 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 187 transitions. [2022-12-15 01:04:50,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 01:04:50,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:04:50,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:04:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:04:50,840 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-15 01:04:51,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:51,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 101 states and 199 transitions. [2022-12-15 01:04:51,755 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 199 transitions. [2022-12-15 01:04:51,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-15 01:04:51,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:04:51,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:04:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat